v3.26.1
Earnings Per Common Share - Schedule of Reconciliation of the Numerators and Denominators of the Basic and Diluted Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Basic:        
Net income attributable to Intercontinental Exchange, Inc. $ 958 $ 851 $ 2,371 $ 1,648
Weighted average common shares outstanding (in shares) 564 573 566 574
Basic earnings per common share (in dollars per share) $ 1.70 $ 1.49 $ 4.19 $ 2.87
Diluted:        
Weighted average common shares outstanding (in shares) 564 573 566 574
Effect of dilutive securities - stock options and restricted stock (in shares) 2 2 2 2
Diluted weighted average common shares outstanding (in shares) 566 575 568 576
Diluted earnings per common share (in dollars per share) $ 1.69 $ 1.48 $ 4.18 $ 2.86